QuickGV is a tool to generate graph by a part of dot language (Graphviz 2.x) and output as SVG format.
Attributes of graphs, edges and nodes are handled by QuickGV.
So editors just need to focus on the structure of graph.
Using QuickGV have some benefits:

• Modifications can be reviewed.
• Graphs are easy to be improved by another editor.
• Hyperlink is available.
• Easy to change a style.

Source code and document:

• Repository: https://gerrit.wikimedia.org/r/mediawiki/extensions/QuickGV
• Document: https://www.mediawiki.org/wiki/Extension:QuickGV